eduardog, the ICE link is still for sale internationaly, just not in the United States. Some prefer that interface, so you may want to source an ICE Link locally. Cost would likely be less for you as well since you won't have to cover international shipping.
As others have stated DICE faded out the ICE link for the DICE iPod integration kit here in the US. With the either kit you should not need the DSP adapter for your car.
You have the premium sound system, but do you have Nav? These two factors together determine where you'll make your DICE connections.
Here's a link to the DICE iPod integration system for your vehicle in case you decide to go that route:
http://www.bavariansoundwerks.com/pr...I=519/_cid=282